5 results
Causes of Myocarditis
Infectious Etiologies:
 • Viral agents: Adenoviruses, Enteroviruses (coxsackievirus), Herpesviruses (human herpesvirus 6, Epstein—Barr virus),
Herpesviruses (human ... , Granulomatosis ... polyangiitis (Wegener granulomatosis ... Sarcoidosis, Systemic lupus ... erythematosus,
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
(Eosinophilic granulomatosis ... polyangiitis, Granulomatosis ... Complex: Systemic lupus ... erythematosus, ... Investigations • Labs: CBC
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
ANCA-associated vasculitis ... • Mesenteric vasculitis ... pericarditis • Myocarditis ... • Libman-Sacks ... titers > 1:80 • CBC
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... (Granulomatous ... such as systemic lupus ... erythematosus, ... Lab Tests: • CBC
Causes of Myocarditis 
1. Infectious Myocarditis
 • Bacterial - Staphylococcus, Streptococcus, Pneumococcus, Meningococcus, Gonococcus, Salmonella, Corynebacterium
rabies virus, human ... cytomegalovirus, human ... disorders: Systemic lupus ... erythematosus, ... sarcoidosis, Wegener's granulomatosis